405622180

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{277}}^1\times {\mathrm{347}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 861408576

約数和(自身を除く): 455786396

約数列:

[1, 2, 4, 5, 10, 20, 211, 277, 347, 422, 554, 694, 844, 1055, 1108, 1385, 1388, 1735, 2110, 2770, 3470, 4220, 5540, 6940, 58447, 73217, 96119, 116894, 146434, 192238, 233788, 292235, 292868, 366085, 384476, 480595, 584470, 732170, 961190, 1168940, 1464340, 1922380, 20281109, 40562218, 81124436, 101405545, 202811090, 405622180]

約数ペア:

[(1, 405622180), (2, 202811090), (4, 101405545), (5, 81124436), (10, 40562218), (20, 20281109), (211, 1922380), (277, 1464340), (347, 1168940), (422, 961190), (554, 732170), (694, 584470), (844, 480595), (1055, 384476), (1108, 366085), (1385, 292868), (1388, 292235), (1735, 233788), (2110, 192238), (2770, 146434), (3470, 116894), (4220, 96119), (5540, 73217), (6940, 58447)]